Life-preserver.



sra

se it lknown. that l, lpnns Sonnnmnn; a citizen ot the United States,lresiding at Lin# colninthe county of Logan, Ain ,'theSta-teot Illinois7haye .invented certain new and use-- ful ;lmprovements inLife-Preservers, 'ot' which thefollowing is'ia spe'ciication.'

present invention is used in conjunction with This invention relates to'newand useful improvements `in klife preservers generally.,`

and relates particularly to helmets designed t mdltseithe head-of thewearer lto formf'a protection when yunder watery said Ehelmet beingprovided with "an air supply by means of whichA thewea-ieris free toinhale Aand ex-v ha'le` in comparatively normal-mannen' A lfviththefabove Yand other objects in View',

- this invention-'consists infconstructi'on off a an ordinary lifepreserver P which encircles the body of the wearer, while under water,and comprises a helmet `10, having a partition 11 in the upper endthereoil to form an 'air lreservoir R, said reservoir being entirelyToperated from the body of the helmet into which the head of the wearerproiects, eX- cept by means ot the air conduit to be described. Thefront side of the helmet is provided with the lips 12 which surround theside opening 12, said side opening being closed by a section of. plateglass 13 which permits the wearer to observe on the exterior of thehelmet. The lower end of the helmet is opened'to a sufficient size topermit of the entrance of an average sized head. and is somewhatcontracted on the forward side as at 14. 'An elastic band 15 of rubberor other waterproof material is secured to the lower end of the helmetand isillustrated in Fig. 1, also designed to closely embrace the neckot the wearer to prevent the entranceL o i mrn-rnnslanvnn.

f ijSpecificattimiot t application sied 'september 28,-ieie f Astaraino2 8624,00?. H

,ply pipe 1G entends` from f t-liwreservoia a pointapproximately* o'n'the;y plane;

' extractair'fro'm the reserv andillilistfra'te'd vin the accompanying"draws recrear ernten water into thebody ofl the y helmet air from thereservoir .R- tol Vtlieg.wearer; sapsup.-

mouth of the wearer wherefzitterminates 'and Y* is secured tb onelevtiw'emi-tyott-agvalve 'casing 1T. Theoi'ipositeextremity.ofthefvalvecasing' 1T connects' with anf:;eXh"aust-.pipe r1.8 which pierces .the wall ofA the .-helmet i-andterminates `upon the exterir;thereon-f Aiteat 19 is centrally formeduponft-hfvalvef casing 1 if and has a mouthpiecejdrsedilrediithereto bymeans or `which ythewe` f .enabled to ale through the exhaust pipe;l 1Scasing 1T ad] acent to the;simply:r pipe h161; iis

providedwith a gate 'valve"E15-which? oper,

R; whereas the opposite end of the casing'dil 'i' is provided withfafn'aperti't "e,'flpairtiiti'oli` Q2 upon the outer side ofiwliich Q3,arranged 'to open'pi'wheii air the casing by the exhali which actioncloses the v-'alve'.: :"\"1i`an. the -air to escape through the exhaust'pipe 1S. lVhenthe wearer is inhaling or extracting air from thereservoir R, such action will closethe valve Q3 by creating a suction inthe chamber between said valves.

In order to provide a means whereby air may be supplied to the reservoirRand at the same time close said reservoir R when the helmet is underwater, a cylinder 24 is formed on the rear side' of the helmet and isprovided at its upper terminal with an air opening 25 communicating withthe interior ot the cylinder 24. This cylinder, as illustrated in Fig.1, connects with the air reservoir R.- Suitable bearings 26 are formedor mounted within this cylinder and vertically alined for the receptionof the valve rod 27 which carries its upper termi- 1'00 nal,' the valveQ8 being arranged to close the air opening 25. The lower terminal of therod 27 passes through an aperture partition29, the apperture of which isarranged to be closed by a valve mounted on the 105 rod 27 below saidpartition. In order to reciprocate the rod 27 to close both the airopening 25 and the aperture partition 29, the lower terminal casing 1sperorated as at Blby means of which water 1.10

gat valve i giet tire wearer,l permits 'foration 31 operates against thefloat 32,

causing'the `rod 27 to move upwardly and seat the' valves 28 and 30against their cooperating apertures, shutting of communications betweenthe reservoir R and the water, permitting the air stores in saidreservoir to be extracted by the wearer.

In order to hold the hellnet in place, the sides thereof are providedlwith straps 33 of a suitable construction, size, and shape, which aredesigned to be secured -in any desired manner to the body of the wearer.

'hile the preferred form of the present invention has been illustratedand described, it is to be understood that many changes in the detailsof construction can be made with- .out departing from the spirit andscope hereof. n

I claim as my invention:

1. The combination with a helmet having an air reservoir therein, ofmeans for sup- -plying air thereto comprising a cylinder communicatingwith said reservoir, having an air inlet, and means. operable byl` theaction of Water for closing said inlet when .the helmet vis'submerged.

- 2. The combination withf'a helmet, ofa Y partition-therein, :formingan air reservoir, an air supply pipe leading from the reser voir to thebody of the helmet, a valve casing with one end of which thesupply `pipeconnects, a partition in saidcasin'g, a mouth piece communicationl withVsaid casingv be` tween said partition and said supply pipe,

an exhaust pipe connected tothe opposite -I end of the casing to thesupply pipe, and valves mounted in the casing adjacent to the partitionand intake orsupply pipe for operation by respiration through themouthpiece aforesaid.

- 3. The combination witha helmet, of a partition therein `forming anair reservoir,

' means for conducting air from the reservoir.

to the body of the helmet, means for Lexhausting air so conducted ltothe reservoir,

both of said means being operable ,alternately by respiration of thewearer',I air sup-J o ply means 'for the reservoir aforesaida-'nd meansfor automatically render-ing said'air supply means inoperative when the.helmet is submerged.-

In testimony whereof I have hereunto, of-

fixed my name rin the presence of two witnesses.

JULIUS SCHREIBER. Witnesses:

CAlu. GEHREX,

